City Population And Economic Context
O'Fallon, MO
O'Fallon, MO city profile with direct Population Pulse only when verified, plus named parent-county economic context.
Overview
O'Fallon, MO city profile with direct Population Pulse only when verified, plus named parent-county economic context.
Current Population And County Economic Pulse
Direct city population values appear only when the Census place match is verified. Jobs and earnings use named parent-county context.
Population
Direct source match2025 population estimate
96,101
One-year change +1.0%
Five-year change +4.8%
Published from the active current-data Pulse release. This does not change the annual Combined Score.
County Jobs Context
Parent-county contextQ1 2026 average covered employment
St. Charles County: 160,090
Q1 2025 +0.4%
2025 annual context 162,655
St. Charles County data is shown as context; it is not claimed as a city estimate.
View St. Charles County profile →